A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K47/00
Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
A61K47/50
the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
A61K47/51
the non-active ingredient being a modifying agent
A61K47/62
the modifying agent being a protein, peptide or polyamino acid
A61K47/64
Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
A61K47/645
Polycationic or polyanionic oligopeptides, polypeptides or polyamino acids, e.g. polylysine, polyarginine, polyglutamic acid or peptide TAT
A61K47/6455
Polycationic oligopeptides, polypeptides or polyamino acids, e.g. for complexing nucleic acids